Automobile rear seat trunk impact test device

Abstract

The utility model relates to the technical field of automobile testing, and discloses an automobile back-row seat trunk impact test device which comprises a support, a sliding rail, a movable plate and a fixed plate, the movable plate and the fixed plate are located above the sliding rail, and positioning blocks are fixedly installed at the end, away from the support, of the fixed plate at equal intervals. Positioning columns are symmetrically installed at the positions, located at the two ends of the positioning block, of the top of the fixing plate, a first inserting groove is formed in the center of the positioning block, second sliding grooves are formed in the two ends, away from the positioning columns, of the top of the fixing plate, and a testing seat is arranged on the side, away from the support, of the fixing plate. According to the automobile back row seat trunk impact test device, primary positioning of a test seat is realized through plugging cooperation of a positioning block and a positioning groove and combination of vertical positioning of a positioning column and a positioning hole, a reinforcing plate is plugged and installed in three groups of slots I and slots II, and then connecting seats are plugged and installed at two ends of the reinforcing plate so that the reinforcing plate is connected with a fixing plate. Therefore, the stability of the test seat is enhanced, and the accuracy of test data is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile test technology, concretely to a luggage compartment impact test device of automobile rear seat. BACKGROUND

[0002] With the development of social economy of our country, the popularity of household sedan, the safety problem of passenger car trunk is increasingly prominent. The front boundary of the passenger car trunk on the market is mostly composed of the seat backrest of the rear row, so when the collision occurs, the luggage in the trunk will slide forward due to inertia, and then directly impact the seat backrest. At this time, the seat needs enough strength to resist the direct impact of the luggage compartment, so as to avoid the occurrence of passenger injury and death due to mechanism unlocking, part fracture or excessive deformation. Therefore, the research on improving the safety of automobile collision is particularly important, and the improvement of the safety of luggage collision in the trunk is of great significance to reduce the injury of passengers in the accident.

[0003] The existing automobile rear seat luggage compartment impact test device is mostly welded with a test seat and a test base to form a whole structure, which has strong impact resistance and deformation resistance and is suitable for bearing high dynamic load. However, once the welding is completed, the structure cannot be adjusted, it is difficult to adapt to different test requirements (such as different vehicle models and different rear seat models), and cutting is required for maintenance or replacement of parts, which affects the overall structural strength. SUMMARY

[0004] The utility model solves the technical problem that a kind of automobile rear seat luggage compartment impact test device is provided, it can effectively solve the problem in prior art.

[0005] The utility model employs the technical scheme that a kind of automobile rear seat luggage compartment impact test device, including support and slide rail and the mobile plate and fixed plate located above slide rail, the fixed plate is fixedly installed with locating block at equal distance at the end away from support, the top of fixed plate is symmetrically installed with locating column at the both ends of locating block, the middle position of locating block is equipped with slot one, the top of fixed plate is equipped with sliding slot two at the both ends away from locating column, the side away from support of fixed plate is provided with test seat, the end close to fixed plate of test seat is fixedly installed with base, the end close to fixed plate of base is equipped with the locating slot and locating hole for positioning installation, the both ends of base are equipped with the through type slot two, the inside of slot one and slot two is provided with reinforcing plate, the both ends of reinforcing plate are provided with connecting seat, the end close to fixed plate of connecting seat is fixedly installed with sliding block, the side away from fixed plate of connecting seat is provided with locking screw.

[0006] Preferably, the moving plate is provided with a sliding groove I at one end close to the slide rail, a guardrail at one end away from the support, an insertion slot at one end away from the slide rail, a mounting groove I and a mounting groove II at one end away from the fixed plate, and a plug at one end close to the moving plate.

[0007] Through the above technical scheme, the sliding groove I is arranged at one end of the moving plate close to the slide rail to form a sliding pair with the slide rail, so that the moving plate can move smoothly along the slide rail and the friction resistance is reduced. The plug is inserted into the insertion slot of the moving plate to preliminarily position the guardrail. Then, the mounting plate is embedded into the mounting groove I and the mounting groove II, and the guardrail is rigidly connected with the moving plate through the bolt fixation to prevent the guardrail from falling off during impact. The luggage is placed at one end of the moving plate away from the support, and the guardrail prevents it from sliding laterally to ensure that the impact direction is accurately directed to the test seat. The detachable installation of the guardrail and the moving plate facilitates quick maintenance and replacement of the staff, adapts to different test requirements, and ensures the impact contact area through the design that the length of the luggage is greater than that of the guardrail.

[0008] Preferably, a guide block is fixedly installed at the center position of one end of the moving plate away from the guardrail, a fixed seat is fixedly installed at one end of the fixed plate close to the support, a motor is fixedly installed at one end of the support away from the moving plate, a lead screw is fixedly installed on the output shaft of the motor, the lead screw is in threaded connection with the guide block, and the lead screw is in rotational connection with the fixed seat.

[0009] Through the above technical scheme, the guide block is fixed at the center position of one end of the moving plate away from the guardrail to ensure balanced force and avoid jamming caused by unbalanced load. The threaded connection with the lead screw can convert the rotary motion of the motor into linear motion when the motor is started, providing linear power for automobile crash test. The rotational connection of the other end of the lead screw with the fixed seat ensures the free rotation of the lead screw while resisting axial impact force through the combination of the bidirectional thrust bearing and the deep groove ball bearing inside the fixed seat.

[0010] Preferably, the plug and the insertion slot are in plug-in installation, and the mounting plate can be embedded into the inner side of the mounting groove I and the mounting groove II.

[0011] Through the above technical scheme, the plug is inserted into the insertion slot of the moving plate to preliminarily position the guardrail. Then, the mounting plate is embedded into the mounting groove I and the mounting groove II, and the guardrail is rigidly connected with the moving plate through the bolt fixation to prevent the guardrail from falling off during impact.

[0012] Preferably, the positioning block is the same as the cross section of the positioning slot, the positioning block can be inserted into the inner side of the positioning slot, the positioning column is the same as the cross section of the positioning hole, the positioning column can be inserted into the positioning hole, and the cross section of the positioning block is in a "trapezoidal" structure.

[0013] By the above technical scheme, the positioning block is matched with the positioning slot, the positioning column is vertically positioned with the positioning hole, and the rapid installation and repeated positioning precision of the test seat are realized.

[0014] Preferably, the reinforcing plate is slidably connected with the first slot and the second slot, and the first slot and the second slot are the same in structure.

[0015] By the above technical scheme, the positioning block is matched with the positioning slot, the positioning column is vertically positioned with the positioning hole, and the rapid installation and repeated positioning precision of the test seat are realized.

[0016] Preferably, the reinforcing plate is slidably connected with the first slot and the second slot, and the first slot and the second slot are the same in structure.

[0017] By the above technical scheme, the positioning block is matched with the positioning slot, the positioning column is vertically positioned with the positioning hole, and the rapid installation and repeated positioning precision of the test seat are realized.

[0018] Compared with the prior art, the automobile rear seat luggage compartment impact test device has the following beneficial effects:

[0019] 1. The automobile rear seat luggage compartment impact test device, through the matching of the positioning block and the positioning slot, the vertical positioning of the positioning column and the positioning hole, the preliminary positioning of the test seat can be realized, then the reinforcing plate is inserted into the three groups of the first slot and the second slot, when the reinforcing plate is inserted into the three groups of the first slot and the second slot, the connecting seat and the fixed plate are slidably installed at the same time, the connecting seat at the other end of the reinforcing plate is slidably connected with the fixed plate at the same time, then the connecting seat and the fixed plate are fixed through the locking screw, the fixing strength of the test seat can be effectively increased, the displacement of the test seat during impact test is prevented, and the accuracy of test data is ensured.

[0020] 2、The automobile rear seat luggage compartment impact test device, through the sliding groove one is opened in the mobile plate close to the slide rail one end, with the slide rail forms the sliding pair, ensures that the mobile plate can move along the slide rail stably, reduces the friction resistance, through the plug block is inserted into the plug-in slot of the mobile plate, realizes the preliminary positioning of the guardrail, subsequently embeds the mounting plate in the installation groove one and the installation groove two, and then is fixed through the bolt, makes the guardrail and the mobile plate rigid connection, prevents the guardrail from falling off when impacting, the luggage compartment is placed in the mobile plate away from the support one end, and the guardrail prevents it from sliding laterally, ensures that the impact direction is accurately towards the test seat, through the detachable installation of the guardrail and the mobile plate, the quick maintenance and replacement of the staff are convenient, and different test requirements are adapted. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the three-dimensional structure diagram of the utility model Figure 1 ;

[0022] Figure 2 It is the three-dimensional structure diagram of the utility model Figure 2 ;

[0023] Figure 3 It is the connecting structure diagram of the guardrail and the mobile plate of the utility model

[0024] Figure 4 It is the connecting structure diagram of the fixed plate and the test seat of the utility model Figure 1 ;

[0025] Figure 5 It is the structure diagram of the fixed plate and the test seat of the utility model Figure 2 ;

[0026] Figure 6 It is the installation structure diagram of the base and the reinforcing plate of the utility model

[0027] Figure 7 It is the enlarged structure diagram of A in the utility model Figure 4 ;

[0028] Figure 8 It is the connecting structure diagram of the connecting seat and the fixed seat of the utility model.

[0029] Among them: 1, support; 2, slide rail; 3, mobile plate; 4, guardrail; 5, sliding groove one; 6, plug-in slot; 7, installation groove one; 8, plug block; 9, installation groove two; 10, mounting plate; 11, luggage compartment; 12, guide block; 13, motor; 14, screw rod; 15, fixed plate; 16, fixed seat; 17, positioning block; 18, positioning column; 19, slot one; 20, sliding groove two; 21, test seat; 22, base; 23, positioning groove; 24, positioning hole; 25, slot two; 26, reinforcing plate; 27, connecting seat; 28, sliding block; 29, locking screw. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Example 1: As Figures 1-8 As shown, this utility model provides an impact testing device for the rear seat trunk of an automobile, including a bracket 1, a slide rail 2, a movable plate 3 and a fixed plate 15 located above the slide rail 2. Positioning blocks 17 are fixedly installed at equal intervals at one end of the fixed plate 15 away from the bracket 1. Positioning posts 18 are symmetrically installed at both ends of the positioning blocks 17 on the top of the fixed plate 15. A slot 19 is provided in the center of the positioning blocks 17. Slide grooves 20 are provided at both ends of the top of the fixed plate 15 away from the positioning posts 18. A test seat is provided on the side of the fixed plate 15 away from the bracket 1. Chair 21, test seat 21, has a base 22 fixedly installed at one end near the fixed plate 15. The base 22 has a positioning groove 23 and a positioning hole 24 for positioning and installation at one end near the fixed plate 15. The two ends of the base 22 have through slots 25 at the center. The inner side of slots 1 and 25 is provided with reinforcing plates 26. The two ends of the reinforcing plates 26 are provided with connecting seats 27. The end of the connecting seat 27 near the fixed plate 15 is fixedly installed with a slider 28. The side of the connecting seat 27 away from the fixed plate 15 is provided with a locking screw 29.

[0032] Example 2:

[0033] like Figures 2-8As shown, as an improvement to the last embodiment, to adapt to different test requirements, the mobile plate 3 is provided with a sliding groove one 5 at one end close to the slide rail 2, the mobile plate 3 is provided with a guardrail 4 at one end away from the support 1, the mobile plate 3 is provided with a plug-in slot 6 at one end away from the slide rail 2, the mobile plate 3 and the guardrail 4 are provided with a mounting groove one 7 and a mounting groove two 9 at one end away from the fixed plate 15, the guardrail 4 is fixedly installed with a plug block 8 at one end close to the mobile plate 3, the inner side of the mounting groove one 7 and the mounting groove two 9 is provided with a mounting plate 10, the mounting plate 10 is fixedly connected with the mobile plate 3 and the guardrail 4 through bolts, and the mobile plate 3 is provided with a luggage box 11 at one end away from the support 1. Advantage is that the sliding groove one 5 is arranged at one end of the mobile plate 3 close to the slide rail 2, and a sliding pair is formed with the slide rail 2, so that the mobile plate 3 can move smoothly along the slide rail 2, and the friction resistance is reduced. The plug block 8 is inserted into the plug-in slot 6 of the mobile plate 3 to realize the preliminary positioning of the guardrail 4, and then the mounting plate 10 is embedded and mounted in the mounting groove one 7 and the mounting groove two 9, and the guardrail 4 is rigidly connected with the mobile plate 3 through bolts to prevent the guardrail 4 from falling off when impacted. The luggage box 11 is placed at one end of the mobile plate 3 away from the support 1, and the guardrail 4 prevents it from sliding laterally to ensure that the impact direction is accurately directed to the test seat 21. The detachable installation of the guardrail 4 and the mobile plate 3 facilitates quick maintenance and replacement of the staff, adapts to different test requirements, and ensures the impact contact area through the design that the length of the luggage box 11 is greater than that of the guardrail 4.

[0034] Specifically, the mobile plate 3 is fixedly installed with a guide block 12 at the center position of one end away from the guardrail 4, the fixed plate 15 is fixedly installed with a fixed seat 16 at one end close to the support 1, the support 1 is fixedly installed with a motor 13 at one end away from the mobile plate 3, the output shaft of the motor 13 is fixedly installed with a lead screw 14, the lead screw 14 is in threaded connection with the guide block 12, and the lead screw 14 is in rotational connection with the fixed seat 16. Advantage is that the guide block 12 is fixed at the center position of one end of the mobile plate 3 away from the guardrail 4 to ensure balanced force and avoid jamming caused by unbalanced load. The threaded connection with the lead screw 14 can convert the rotary motion of the motor 13 into linear motion when the motor 13 is started, providing linear power for automobile collision test. The rotational connection of the other end of the lead screw 14 with the fixed seat 16 ensures the free rotation of the lead screw 14 while resisting axial impact force through the combination of the double-direction thrust bearing and the deep groove ball bearing inside the fixed seat 16.

[0035] Specifically, the plug block 8 is in plug-in installation with the plug-in slot 6, and the mounting plate 10 can be embedded and mounted inside the mounting groove one 7 and the mounting groove two 9. Advantage is that the plug block 8 is inserted into the plug-in slot 6 of the mobile plate 3 to realize the preliminary positioning of the guardrail 4, and then the mounting plate 10 is embedded and mounted in the mounting groove one 7 and the mounting groove two 9, and the guardrail 4 is rigidly connected with the mobile plate 3 through bolts to prevent the guardrail 4 from falling off when impacted.

[0036] Example 3:

[0037] like Figures 2-8 As shown, as an improvement over the previous embodiment, to facilitate the disassembly and installation of the test seat, the positioning block 17 has the same cross-section as the positioning groove 23, and the positioning block 17 can be inserted into the inner side of the positioning groove 23. The positioning post 18 has the same cross-section as the positioning hole 24, and the positioning post 18 can be inserted into the positioning hole 24. The cross-section of the positioning block 17 has a trapezoidal structure. The advantage is that by using the plug-in cooperation between the positioning block 17 and the positioning groove 23, combined with the vertical positioning of the positioning post 18 and the positioning hole 24, the test seat 21 can be quickly installed and its positioning accuracy can be repeatedly improved.

[0038] Specifically, the reinforcing plate 26 is slidably connected to slot 19 and slot 25, and slot 19 and slot 25 have the same structure. The advantage is that the initial positioning of the test seat 21 is achieved through the insertion and engagement of the positioning block 17 and the positioning groove 23. Subsequently, by inserting and installing the reinforcing plate 26 into the three sets of slots 19 and 25, the fixing strength of the test seat 21 can be effectively strengthened, preventing displacement of the test seat 21 during impact testing and ensuring the accuracy of the test data.

[0039] Specifically, the reinforcing plate 26 and the connecting seat 27 are plug-in installed, while the slider 28 and the second slide groove 20 are slidably connected. The advantage is that when the reinforcing plate 26 is plugged into the three sets of slots 19 and 25, the operator can simultaneously plug the reinforcing plate 26 into the connecting seat 27 while it is slidably installed onto the fixing plate 15. Similarly, the connecting seat 27 at the other end of the reinforcing plate 26 can be slidably connected to the fixing plate 15, and then the connecting seat 27 and the fixing plate 15 can be fixed with the locking screw 29, further enhancing the stability of the test seat 21.

[0040] Working principle: in use, first through the positioning block 17 and the positioning groove 23 of the plug-in cooperation, combined with the vertical positioning of the positioning column 18 and the positioning hole 24, the preliminary positioning of the test seat 21 can be realized, then through the reinforced plate 26 is inserted and installed in three groups of slot one 19 and slot two 25, when the reinforced plate 26 is inserted and installed in three groups of slot one 19 and slot two 25, the worker can install the connecting seat 27 and the fixed plate 15 at the same time through the sliding installation, and the reinforced plate 26 is inserted and installed, and the connecting seat 27 at the other end of the reinforced plate 26 is connected with the fixed plate 15 at the same time through the sliding connection, then through the locking screw 29, the connecting seat 27 and the fixed plate 15 are fixed, the fixing strength of the test seat 21 can be effectively strengthened, the displacement of the test seat 21 during impact test is prevented, and the accuracy of test data is ensured, the sliding groove one 5 is opened in the end of the moving plate 3 close to the slide rail 2, and forms a sliding pair with the slide rail 2, so that the moving plate 3 can move stably along the slide rail 2, the friction resistance is reduced, the plug-in block 8 is inserted into the plug-in slot 6 of the moving plate 3, the preliminary positioning of the guardrail 4 is realized, then the mounting plate 10 is embedded and installed in the mounting slot one 7 and the mounting slot two 9, and then the guardrail 4 and the moving plate 3 are rigidly connected through the bolt fixation, so that the guardrail 4 is prevented from falling off during impact, the luggage box 11 is placed at the end of the moving plate 3 away from the support 1, the guardrail 4 prevents it from sliding laterally, and the impact direction is ensured to be accurately directed to the test seat 21, the detachable installation of the guardrail 4 and the moving plate 3 facilitates the rapid maintenance and replacement of the workers, adapts to different test requirements, the guide block 12 is fixed to the central position of the end of the moving plate 3 away from the guardrail 4, the stress balance is ensured, and the jamming caused by unbalanced load is avoided, through the threaded connection with the lead screw 14, when the motor 13 is started, the rotary motion of the motor 13 can be converted into linear motion, providing linear power for automobile collision test, so that the moving plate 3 accelerates to the target speed, drives the luggage box 11 to collide with the test seat 21, until the luggage box 11 contacts the test seat 21, the design that the length of the luggage box 11 is greater than that of the guardrail 4 ensures the impact contact area, the other end of the lead screw 14 is rotationally connected with the fixed seat 16, the bidirectional thrust bearing and the deep groove ball bearing combination are arranged in the fixed seat 16, so that the lead screw 14 can rotate freely while resisting axial impact force.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for impact test of automobile rear seat trunk, comprising a support (1) and a sliding rail (2), and a moving plate (3) and a fixed plate (15) above the sliding rail (2), characterized in that: The fixed plate (15) is fixedly installed with a positioning block (17) at an end away from the support (1) at equal distances, positioning columns (18) are symmetrically installed at both ends of the top of the fixed plate (15), a slot one (19) is formed at the middle position of the positioning block (17), slot twos (20) are formed at both ends of the top of the fixed plate (15) away from the positioning columns (18), a test seat (21) is arranged on the side of the fixed plate (15) away from the support (1), a base (22) is fixedly installed at one end of the test seat (21) close to the fixed plate (15), a positioning groove (23) and a positioning hole (24) for positioning installation are formed at one end of the base (22) close to the fixed plate (15), slot twos (25) are formed at the middle positions of both ends of the base (22), the inner sides of the slot one (19) and the slot two (25) are provided with reinforcing plates (26), the both ends of the reinforcing plate (26) are provided with connecting seats (27), sliding blocks (28) are fixedly installed at one end of the connecting seat (27) close to the fixed plate (15), locking screws (29) are arranged on the side of the connecting seat (27) away from the fixed plate (15).

2. The device according to claim 1, wherein: The mobile plate (3) is provided with a slot one (5) at one end close to the sliding rail (2), the mobile plate (3) is provided with a guardrail (4) on the side away from the support (1), the mobile plate (3) is provided with a plug-in slot (6) at one end away from the sliding rail (2), the mobile plate (3) and the guardrail (4) are provided with installation grooves one (7) and two (9) at one end away from the fixed plate (15), the guardrail (4) is fixedly installed with a plug-in block (8) at one end close to the mobile plate (3), the inner sides of the installation grooves one (7) and two (9) are provided with installation plates (10), the installation plates (10) are fixedly connected with the mobile plate (3) and the guardrail (4) through bolts, the mobile plate (3) is fixedly installed with a luggage box (11) at one end away from the support (1), the length of the luggage box (11) is greater than the length of the guardrail (4).

3. The device according to claim 2, wherein: The mobile plate (3) is fixedly installed with a guide block (12) at the middle position of one end away from the guardrail (4), the fixed plate (15) is fixedly installed with a fixed seat (16) at one end close to the support (1), the support (1) is fixedly installed with a motor (13) at one end away from the mobile plate (3), the output shaft of the motor (13) is fixedly installed with a lead screw (14), the lead screw (14) is in threaded connection with the guide block (12), and the lead screw (14) is in rotational connection with the fixed seat (16).

4. The device according to claim 2, wherein: The plug-in block (8) is in plug-in installation with the plug-in slot (6), and the installation plate (10) can be embedded in the inner sides of the installation grooves one (7) and two (9).

5. The device according to claim 1, wherein: The positioning block (17) is the same as the section of the positioning slot (23), the positioning block (17) can be inserted into the inner side of the positioning slot (23), the positioning column (18) is the same as the section of the positioning hole (24), the positioning column (18) can be inserted into the positioning hole (24), and the section of the positioning block (17) is in a "trapezoidal" structure.

6. The device according to claim 1, wherein: The reinforcing plate (26) is in sliding connection with the first slot (19) and the second slot (25), and the first slot (19) and the second slot (25) are the same in structure.

7. The device according to claim 1, wherein: The reinforcing plate (26) is in plug-in installation with the connecting seat (27), and the sliding block (28) is in sliding connection with the second sliding slot (20).

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